97990654 has 8 divisors (see below), whose sum is σ = 147038328. Its totient is φ = 48977880.

The previous prime is 97990631. The next prime is 97990667. The reversal of 97990654 is 45609979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 97990598 and 97990607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (18379791).

Almost surely, 2^97990654 is an apocalyptic number.

97990654 is a deficient number, since it is larger than the sum of its proper divisors (49047674).

97990654 is a wasteful number, since it uses less digits than its factorization.

97990654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 97990654 is about 9899.0228810727. The cubic root of 97990654 is about 461.0289725707.

The spelling of 97990654 in words is "ninety-seven million, nine hundred ninety thousand, six hundred fifty-four".